Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 6, 2026, 7:31 PM EDT

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Showing 73–96 of 103 matching trials from the live ClinicalTrials.gov search.
Conditions
Asthma, GERD
Interventions
Esomeprazole, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 70 Years
Enrollment
961 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
27
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Little Rock, Arkansas + 24 more
Conditions
Gastroesophageal Reflux Disease
Interventions
esomeprazole
Drug
Lead sponsor
Southern Arizona VA Health Care System
Federal
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Tucson, Arizona
Conditions
Healthy Volunteer, Pharmacokinetics, Safety, Drug-Drug Interaction (DDI), FDC
Interventions
Ledaborbactam etzadroxil, Ceftibuten, Ceftibuten-ledaborbactam etzadroxil, Esomeprazole, amoxicillin-clavulanate
Drug
Lead sponsor
Basilea Pharmaceutica
Industry
Eligibility
18 Years to 55 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Lenexa, Kansas
Conditions
Gastroparesis, Gastroesophageal Reflux Disease
Interventions
Immediate-release omeprazole, Delayed-release omeprazole
Drug
Lead sponsor
University of Louisville
Other
Eligibility
18 Years to 80 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Louisville, Kentucky
Conditions
Healthy
Interventions
Crizotinib, Esomeprazole
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Muscular Atrophy, Spinal
Interventions
risdiplam, omeprazole
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 55 Years
Enrollment
131 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
4
States / cities
Daytona Beach, Florida • Springfield, Missouri • Dallas, Texas + 1 more
Conditions
Exercise Triggered Asthma, Gastroesophageal Reflux
Interventions
Nexium, Placebo
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Healthy Volunteers
Interventions
Brensocatib, Rifampin, Esomeprazole
Drug
Lead sponsor
Insmed Incorporated
Industry
Eligibility
18 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Dallas, Texas
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Does Omeprazole Decrease Intestinal Calcium Absorption?

NCT00582972
Conditions
Osteoporosis, Achlorhydria, GERD, Hip Fracture
Interventions
Omeprazole
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
Female only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Madison, Wisconsin
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-drug Interaction Study of Omeprazole and Bemnifosbuvir/Ruzasvir

NCT07007806
Conditions
Healthy Volunteer Study
Interventions
Treatment A-Bemnifosbuvir/Ruzasvir FDC administered fasting, Treatment B-Omeprazole 20 mg dose administered fasting, Treatment C-Bemnifosbuvir/Ruzasvir FDC administered simultaneously with 20 mg dose of Omeprazole fasting, Treatment D-Bemnifosbuvir/Ruzasvir FDC administered 0.5 hour prior to 20 mg dose of Omeprazole, Treatment E-Omeprazole 40 mg administered fasting, Treatment F-Bemnifosbuvir/Ruzasvir FDC administered 2 hours after 40 mg dose Omeprazole
Drug
Lead sponsor
Atea Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Cypress, California
Conditions
Healthy Volunteers
Interventions
LOXO-305, Omeprazole
Drug
Lead sponsor
Loxo Oncology, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Daytona Beach, Florida
Conditions
Gastroesophageal Reflux Disease (GERD)
Interventions
Rabeprazole sodium, Esomeprazole
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
1,061 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Anaheim, California
Completed Phase 1 Interventional Accepts healthy volunteers Results available

The Effect of Omeprazole on the Pharmacokinetics of Dasatinib in Healthy Subjects

NCT00655746
Conditions
Healthy
Interventions
Dasatinib + Omeprazole
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 50 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Hamilton, New Jersey
Conditions
Solid Tumors
Interventions
tivantinib, omeprazole, s-warfarin, caffeine, vitamin K, digoxin, midazolam
Drug · Dietary Supplement
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
NSAIDs, Upper GI Symptoms
Interventions
Esomeprazole
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
276 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2003
U.S. locations
31
States / cities
Tallassee, Alabama • Phoenix, Arizona • Garden Grove, California + 28 more
Conditions
GERD
Interventions
esomeprazole 40 mg
Drug
Lead sponsor
David A. Johnson, MD
Other
Eligibility
18 Years to 60 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Norfolk, Virginia
Conditions
Carcinoma, Renal Cell
Interventions
GW786034 (pazopanib), Probe drugs
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
21 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Lebanon, New Hampshire
Conditions
Helicobacter Pylori Infection
Interventions
Amoxicillin, Omeprazole, Clarithromycin
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
New York, New York
Conditions
Barrett Esophagus, Esophageal Cancer
Interventions
acetylsalicylic acid, esomeprazole magnesium, placebo
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Rochester, Minnesota
Completed Phase 1 Interventional Accepts healthy volunteers

A Drug-Drug Interaction Study of Omeprazole and PA21

NCT01452906
Conditions
Healthy
Interventions
PA21 and Omeprazole with food, No PA21; Omeprazole with food, PA21 with food, Omeprazole 2hrs later
Drug
Lead sponsor
Vifor Pharma
Industry
Eligibility
20 Years to 50 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Anaheim, California
Conditions
Drug-drug Interaction
Interventions
Omeprazole 40 MG, Famotidine 40 mg, Telotristat ethyl 250 mg
Drug
Lead sponsor
Lexicon Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Healthy Volunteer
Interventions
GSK1349572, Placebo, Omeprazole
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Healthy Participants
Interventions
ACP-196, Calcium carbonate, Omeprazole, Rifampin
Drug
Lead sponsor
Acerta Pharma BV
Industry
Eligibility
18 Years to 65 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Tempe, Arizona
Conditions
Healthy
Interventions
Caffeine Tablet, Omeprazole capsule, Warfarin tablet, Pirtobrutinib
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Dallas, Texas